Math Help - Perimeter of isosceles triangle

1. Perimeter of isosceles triangle

Can anyone help me find the lengths of the sides of this isosceles triangle?

Help is appreciated.

Thanks.

2. Originally Posted by funky_monk
Can anyone help me find the lengths of the sides of this isosceles triangle?

Help is appreciated.

Thanks.
Get a right-triangle by drawing a perpendicular line from the vertex to the 8cm side.

Use Pythag to get the length of the hypotenuse of this right-triangle.

This is also the length of the other two sides of your triangle. Now you know the lengths of the three sides of your triangle.